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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Reflection;
using System.Text;
using Microsoft.TestCommon;
using Moq;
using Xunit;
using Xunit.Extensions;
namespace System.Net.Http.Formatting
{
public class JsonNetValidationTest
{
public static IEnumerable<object[]> Theories
{
get
{
return new TheoryDataSet<string, Type, int>()
{
// Type coercion
{"null", typeof(int), 1},
{"45", typeof(string), 0},
{"random text", typeof(DateTimeOffset), 1},
{"[1,2,3]", typeof(string[]), 0},
{"\"foo\"", typeof(int), 1},
{"\"foo\"", typeof(DateTime), 1},
{"[\"a\",\"b\",\"45\",34]", typeof(int[]), 2},
{"[\"a\",\"b\",\"45\",34]", typeof(DateTime[]), 4},
// Required members
{"{}", typeof(DataContractWithRequiredMembers), 2},
{"[{},{},{}]", typeof(DataContractWithRequiredMembers[]), 6},
// Throwing setters
{"{\"Throws\":\"foo\"}", typeof(TypeWithThrowingSetter), 1},
{"[{\"Throws\":\"foo\"},{\"Throws\":\"foo\"}]", typeof(TypeWithThrowingSetter[]), 2},
};
}
}
[Theory]
[PropertyData("Theories")]
public void ModelErrorsPopulatedWithValidationErrors(string json, Type type, int expectedErrors)
{
JsonMediaTypeFormatter formatter = new JsonMediaTypeFormatter();
formatter.RequiredMemberSelector = new SimpleRequiredMemberSelector();
Mock<IFormatterLogger> mockLogger = new Mock<IFormatterLogger>() { };
JsonNetSerializationTest.Deserialize(json, type, formatter, mockLogger.Object);
mockLogger.Verify(mock => mock.LogError(It.IsAny<string>(), It.IsAny<string>()), Times.Exactly(expectedErrors));
}
[Fact]
public void HittingMaxDepthRaisesOnlyOneValidationError()
{
// Arrange
JsonMediaTypeFormatter formatter = new JsonMediaTypeFormatter();
Mock<IFormatterLogger> mockLogger = new Mock<IFormatterLogger>();
StringBuilder sb = new StringBuilder("{'A':null}");
for (int i = 0; i < 5000; i++)
{
sb.Insert(0, "{'A':");
sb.Append('}');
}
string json = sb.ToString();
// Act
JsonNetSerializationTest.Deserialize(json, typeof(Nest), formatter, mockLogger.Object);
// Assert
mockLogger.Verify(mock => mock.LogError(It.IsAny<string>(), It.IsAny<string>()), Times.Once());
}
}
// this IRMS treats all member names that start with "Required" as required
public class SimpleRequiredMemberSelector : IRequiredMemberSelector
{
public bool IsRequiredMember(MemberInfo member)
{
return member.Name.StartsWith("Required");
}
}
public class DataContractWithRequiredMembers
{
public string Required1;
public string Required2;
public string Optional;
}
public class TypeWithThrowingSetter
{
public string Throws
{
get
{
return "foo";
}
set
{
throw new NotImplementedException();
}
}
}
public class Nest
{
public Nest A { get; set; }
}
}
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